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71 lines
1.7 KiB
VimL
71 lines
1.7 KiB
VimL
" Vim indent file
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" Language: Hamster Script
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" Version: 2.0.6.1
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" Last Change: 2021 Oct 11
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" Maintainer: David Fishburn <dfishburn dot vim at gmail dot com>
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" Download: https://www.vim.org/scripts/script.php?script_id=1099
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"
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" 2.0.6.1 (Oct 2021)
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" Added b:undo_indent
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" Added cpo check
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"
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" Only load this indent file when no other was loaded.
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if exists("b:did_indent")
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finish
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endif
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let b:did_indent = 1
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setlocal indentkeys+==~if,=~else,=~endif,=~endfor,=~endwhile
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setlocal indentkeys+==~do,=~until,=~while,=~repeat,=~for,=~loop
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setlocal indentkeys+==~sub,=~endsub
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let b:undo_indent = "setl indentkeys<"
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" Define the appropriate indent function but only once
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setlocal indentexpr=HamGetFreeIndent()
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if exists("*HamGetFreeIndent")
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finish
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endif
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let s:keepcpo = &cpo
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set cpo&vim
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function HamGetIndent(lnum)
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let ind = indent(a:lnum)
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let prevline=getline(a:lnum)
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" Add a shiftwidth to statements following if, else, elseif,
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" case, select, default, do, until, while, for, start
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if prevline =~? '^\s*\<\(if\|else\%(if\)\?\|for\|repeat\|do\|while\|sub\)\>'
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let ind = ind + shiftwidth()
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endif
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" Subtract a shiftwidth from else, elseif, end(if|while|for), until
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let line = getline(v:lnum)
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if line =~? '^\s*\(else\|elseif\|loop\|until\|end\%(if\|while\|for\|sub\)\)\>'
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let ind = ind - shiftwidth()
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endif
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return ind
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endfunction
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function HamGetFreeIndent()
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" Find the previous non-blank line
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let lnum = prevnonblank(v:lnum - 1)
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" Use zero indent at the top of the file
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if lnum == 0
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return 0
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endif
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let ind=HamGetIndent(lnum)
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return ind
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endfunction
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" Restore:
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let &cpo = s:keepcpo
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unlet s:keepcpo
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" vim:sw=2 tw=80
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